Valve



June 11, 1929. s. GREENHOUSE VALVE Filed July 29. 1925 2 Sheets-Sheet 1 2k 2 wi i iiii k n 0 w Patented June 11, 1929.

SAMUEL GREENHOUSE, OF AKRON, OHIO.

VALVE.

Application filed July 29,

This invention relates to valves and has particular relation to new and useful improvements in automatically operable valves. While the invention may be applied to valves generally, it is particularly adapted for use in controlling the flow of fluid to a bottling machine, and, the particular adaptation of the invention herein illustrated and described is for use as shown in my pending application for United States Letters Patent, Serial Number 7391,9941

Objects of the invention are to provide an automatically operable valve which in use may be operated by the same force which controls the operation of the bottling machine, whereby the valve will be automatically opened when the bottling machine is put in operation and will be automatically closed when the operation of the bottling machine is stopped.

A further object is to provide a normally closed valve which will hold fluid under heavy pressure without leakage and which may be operated with a minimum amount of power.

Other objects are to provide a valve of simple, durable construction, which may be manufactured at a low cost, which will not easily get out .of repair and which in use will be accurate andreliable.

An additional object is to provide a valve comprising a new and novel arrangement of parts whereby the same may be operated by the force used in controlling the operation of the bottling machine or other device in connection with which the valve is adapted to be used and which may be easily and conveniently operated independently of such force.

The above objects are accomplished, and additional ends are attained by the novel construction, combination, and arrangement of parts hereinafter described and illustrated in the accompanying drawing in which I have shown a preferred form of the invention, it being understood that the invention may be adapted in various ways for various purposes and that changes and modifications may be made or resort had to substitutions which come within the spirit of the invention as set forth in the appended claims.

In the drawings like characters of reference are employed to designate like parts as the same may appear in any of the several views and in which Figure 1 is a side elevational view of a 1925. Serial No. 48,780.

valve constructed in accordance with this invention,

Figure 2 is a vertical, sectional view of the same taken as indicated by the lines 22 of Figure 1.

Figure 3 is a central, vertical, sectional view of the lower portion of said valve taken as indicated by the line of Figure 2.

F igure 4 is a fragmentary view showing a portion of my improved valve and illustrating in side elevation the action of the levers employed in raising and lowering the valve stem.

Figure 5 is a similar view showing the nanner in which one of the levers may be operated to hold the valve in an open position.

Figure 6 is a view illustrating a modification of the invention in which a solenoid is employed to operate the valve mechanism, the same being adaptedfor use where electricity is used to operate or control the bottling machine.

Figure 7 is a plan view illustrating the manner by which the levers are secured to the valve stem.

Proceeding now to a detailed description of the invention withrelerence to the particular adaptation thereof disclosed in the drawings, the numeral 6 is used to denote the valve easing which is in the form of a T-coupling member. The casing (3 is provided with an inlet opening 7 and an outlet opening 8 which is in coaxial alinement with the inlet opening 7. The walls of each of said openings 7. are internally threaded to receive the externally threaded ends of a conduit. The casing 6 is hollow and is provided with the partition 9 which is positioned thercacross as shown in Figure 3 to provide an inlet chamber 10 and an outlet chamber 11. The partition 9 is provided with an aperture 12 and a valve seat 13 is arranged therearound. The numeral l l'denotes an opening which extends into the upper wall of said casing in axial alinement with the opening 12. The walls of the opening 14- are internally threaded to receive the externally threaded end of the member 15. The member 15 is provided at the lower end thereof with an externally threaded reduced portion 16 which is operatively positioned in the threaded bore 14. The member 15- is preferably cylindrical and is provided ata point in spaced relation to the lower end thereof with an outwardly projecting annular flange 17 which is arranged to bear against the upper face 6 of the easing 6 and form a fluid tight connection therebetween. The member is provided with an axially arranged bore 18 in which is slid ably mounted a valve stem 19. The valve stem 19 provided at the lower end thereof with a valve head 20 which is arranged to be operatively positioned on the seat 1 3 to close the (mening 12. The valve head 20 may be provided with a suit: ble packing 21. The numeral 22 denotes a coil spring which mounted on the rod 19 so as to bear against the valve head 2t. The bore 18 is enlarged adjacent the upper end of the member 15 to provide the shoulder 18 and the wall of said bore is internally threaded to receive the plug- 23. The plug 23 is provided at the upper edge thereof with an air nular 'tlai'ige 2% which is arranged to seat against the upper edge of the member 15. The plug 23 provided with the packing gland 25 in which is fitted a suitable packing 26.

The mnneral 27 denotes a washer which is arranged in the enlarged portion of the bore 18 as to be positioned between the lower end of the plug 23 and the shoulder 18 The washer 27 is arranged to bear against the upper end of the coil spring 22 and hold the same in a compressed position whereby the head 20 is normally held in a closed position. The numerals 28 and 29 denote levers which are pivotally secured to the upper end of the valve stem 19. The levers 28 and 29 are coaxially fulcrumed on the stem 19 and eachis provided with a cam head 30 which bears against the plug 23. The levers 2S and 29 extend outwardly in op iosite directions and upwardly and. are arranged so that a downward movement of the free ends thereof will cause an upward movement of the valve stem 18 as shown in Figure 4-.

The numeral 32 denotes a frame comprisin; two parallel members and 34-, having an in egrally formed connecting lower portion 35 which is in the form of a ring, the

The lower portion 35 is positioned on the member 15 with the said member 15 received in the bore it suitable set screw 3'? is operativclv positioned in a threaded bore 38 so that it may be operated against the member 15 to hold the frame securely in position thereon. The side members 33 and 31 are connected at the upper end thereof to a wall 39 which is preferably formed integrally therewith. The wall 39 is circular and is provided on the upper end thereof with the threaded cylindrical cavity 10. The numeral -i-1 denotes a hollow cylinder which is exter nally threaded at the lower end thereof and is operatively positioned in the cavity 10. The numeral 12 denotes a cap which is I and the wall same beingprovided with a vertical bore 86.

tlllflltltd on the upper end of the cylinder 11. The cap is provided on the upper wall thereof with a threaded bore e13 in which is threaded asuitable hollow plug at, which may be used to attach a conduit thereto.

The numeral 44; denotes av piston which is operatively mounted in the cylinder 4-1. The numeral 45 denotes a piston rod which is operatively connected to said piston and which extends through a suitable bore iG in the wall 39. gland plug which is operatively threaded in the lower end of the wall 35) so as to com press the pa king 48 and form a fluid tight joint. around the piston rod The mu'neral 4-9 denotes a cylindrical shell having; a cavity adapted to receive the upper end of the member 15. The shell 45) is enclosed at the upper end thereof with the upper w ll 19. The shell positioned on the member 15 and isprovided on diametrically opposite sides thereof with slots 50 which are adapted to receive the arms and 29 so that the shell 49 may be moved freely on the member 15. The shell 49 is providtal at the upper end thereof on diametrically opposite sides thereof with outwardly projecting arms 51 and 52. The arms 51 and 52 are provided at the outer ends thereof with downwardly projecting; portions 51 and 52 Said portions are arranged to bear against the outwardly projecting ends of the levers 29 and 28 whereby a downward movement of said shell will cause the arms 51 and to enare the levers 29 and 28 and raise the valve in 19 to lift the valve head 20 from its The lower end of the piston rod 425 is suitably securet to the upper end of the shell tt) whereby a downward movement of the piston 14: will cause an upward movement of the valve stem 19. The cylinder 1-1 is provided at a point adjacent the lower end thereof with an opening 53 in which a pipe or other suitable conduit may be secured. The numeral 5%: denotes a spring which is positioned in the cylinder ll and is compressed between the piston head 14 whereby the piston id and the shell sit) is normally held in an upward position.

The valve is operated by introducing fluid pressure through the entrance tube 1- thus forcing the piston L1- downwardly in the cylinder 41-1 and causing the arms 51 and 52 to bear against the levers 25) and 28, thus raising the valve head 20 upwardly and permi ting liquid under pressure to flow fron the inlet chamber 10 throiurh the opening; 12 and through the outlet chamber 11. The piston stroke is such that the full downward movement of the piston 4A will move the levers 28 and 29 to the dotted line position 28 and 29 as shown in Figure 4. In this position a release of the fluid pressure on the upper part of the piston 44 will cause the The numeral 457 denotes a piston to be moved upwardly by the spring 54-. One of the levers 28 when operated to the position shown in Figure 5 so that the cam 30 will be operated past the center, will hold the valve in an open. position. It will thus be seen that I have provided an automatically operable valve which may also be manually operated by a; downward movement of the lever 28.

In actual use, on a bottling machine, the hollow plug at is operativcly connected to a tube leading to a source of air under pressure, such, for instance, a pneumatically operated clutch whereby the fluid used to operate the clutch will also open the valve and permit the liquid to flow to the bottling machine.

A conduit may also be connected in the opening 53 whereby fluid pressure may be used to move the piston upwardly in the cylinder 41 either with or without the action of the spring 54. The same pipe system may be used as shown and described in my pending application, Serial Number, 732,994. In using either air or electricity to control or operate the bottling machine, the valve 21 will automatically close as soon as the operation of the machine is stopped.

In Figure 6, I have shown a modification of the invention in which the rod 45 extends upwardly through the cap 42 and a suitable frame is secured to the member 15. A solenoid 5G is mounted on said frame and is operatively connected to a lever 57 which is fulcrumed on theframe 55 as at 58. The free end of the lever being arranged to engage the upwardly projecting end of the rod 45. This adaption of the invention is preferably used in bottling machines and other devices where no compressed air or other fluid is used in the operation of the machine. In cases where the machine is electrically operated the solenoid 56 is operativcly interposed in a circuit whereby the same source of power which starts the machine in operation will operate the solenoid and cause a downward movement of the rod 45, thus raising the valve head 20 and opening the 'alve which controls the flow of liquid to the machine.

Having thus illustrated my invention and described the same in. detail, what I claim as new and desire to secure by Letters Pat ent is 1. In a device of the class described, a hollow valve body adapted to be operatively interposed in a conduit, a partition in said body, an opening in said partition, a valve operable to close said opening, a member secured to said body, the stem of said valve being axially arranged in said member and projecting therefrom, a pair of oppositely disposed levers coaxially fulcrumed on the outwardly projecting end. of said stem, each of said levers provided on the inner end thereof with a cam face, operable against the said member to move said stem and operate said valve, a shell slidably mounted on said body, s: id shell. provided with a pair of arms, each of which meets the outwardly projecting end of one of said levers, a frame stem slidably mounted in said extension,

means to normally hold said valve in a closed position, apair of levers mounted on the stem so as to project therefrom in diamctii cally opposite directions, each of said levers provided on the inner end thereof with a cam face adapted to bear against said extension, whereby a downward movement thereof will raise said stem and open said valve; a hollow cylinder, apiston mounted therein, means to normally hold said piston in an upward position; a piston rod, a pair of arms associated therewith, said arms being positioned against said levers whereby a downward movement of said piston will operate said levers and open said valve.

3. In a device of the class described, a globe valve body provided with a sli dablo stem, a tubular extension on said body, said stem slidably mounted in said extension, means to normally hold said valve in a closed position, levers mounted on the stem so to project therefrom in diametrically opposite directions, each of said levers adapted to bear against said extension, whereby a downward movement thereof will raise said stem and open said valve; a hollow cylinder, a piston mounted therein, means to introduce fluid pressure into said cylinder to operate said piston, a piston rod, a pair of arms associated therewith, said arms being positioned aganst said levers whereby a downward movement of said piston will operate said levers and open said valve.

4. In a device of the class described, a hollow valve body adapted to be operatively interposed in a conduit, a partition in said body, an opening in said partition, a valve operable to close said opening, a member secured to said body, the stem of said valve being slidably mounted in said member and projecting therefrom, a pair of oppositely disposed levers coaxially fulcrumed on the outwardly projecting end of said stem, each of said levers provided on the inner end thereof with a cam face operable against the said body to raise said stem and operate said valve; a member slidably mounted for movement longitudinally of said member, a pair of arms projecting from said member, each of said arms meetingthe outwardly projecting end of one of aid levers, and power operated means to move said member and operate said valve.

5. In a device of the class described, a hollou valve body adapted to be operatively interposed in a conduit, a member secured to said body, a valve stem, said stem being slidably mounted in said member, a lever inlcrumed on said stem, said lever provided on the inner end thereof with a cam face operable against the axial face of said body to raise said stem and operate said valve; a

member slidably mounted for n'iovement longitudinally of said member, an arm proj eeting from said member, said arm meeting the outwardly projecting end of said lever, a cylinder, a piston in said cylimler and a piston rod operatively connected to said piston, means to normally hold said piston in an upward position in said cylinder and means to introduce fluid pressure into said cylinder to move said piston and operate said valve.

6. In a device of the class described, a hollow valve body adapted to be operatively interposed in a conduit, a partition in said body, an opening in said partition, a valve operable to close said opening, a member cured to said body, the stem of said valve being slidably mounted in said mom] er and projecting there from, a pair of oppositely disposed levers coaxially fulcruined on the outwardly projecting end of said stem, each of said levers provided on the inner end thereof with a cam face operable against the axial face of said body to move said stem and operate said valve; a member slidably mounted for movement longitudinally of said stem, a pair of arms projecting from said member, each of said arms meeting the outwardly projecting end of one of said levers, a cylinder, a piston in said cylinder and a piston rod operatively connected to said piston, means to normally hold said piston in an upward position in said cylinder and means to introduce fluid pressure into said cylinder to move said piston and operate said valve.

In testimony whereof I have hereunto set my hand.

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